88 The American Geologist. February, 50h 
particular adjustment of the pipe and that the spring is of 
the type commonly issuing from gravelly beds favorably situ- 
ated with reference to the till constituting the body of drift at 
that place. 
Independently of this supposed intermittent character, how- 
ever, this water has considerable reputation for its mineral 
qualities and is being shipped to neighboring towns for medi- 
cinal uses. 
The following is a copy of one of the analyses that the 
owner had made for its mineral constituents: 
Constituents. Grains per gallon. 
‘ Potassium’ bicarbonate .....4. 50.1004 jo ssenwse 548 
Sodium: “bicarbonate 01. .0< 0.» a5 ve eyn se oepee 2.518 
Sodiaim chloride ...2...0%. 2.0 teeen o evueeee 134 
Galcium ‘sulphate .......5...-:5. Si. wees aeeee 26.602 
Calcitim = bicarbonate. . 2.0%. 6... Vi cine 10.639 
Magnesium bicarbonate ......... ..+.+eeeeees 25.086 
Tron bicarbonate «0. as te vss .s.000 bass meee 103 
AT erTITIA 5S cs cic phew vs sa, miei, va em Sie O15 
Seed > Se oer era cus eke ies Samana 1.269 
Total, 66.914 
Sanitary Chemical Analysis. 
arts per 100,000. 
“TE GUAl, SONGS: x utes, cui insathani<s tee ceEee Swi pee 
CHIGTING OS, ue cc aie V4 cv ean san hae es Oe 14 
Pree Ammonia is, 6s Vika eek be oe ee ee ORs OO 
Albunmiinotd” amnionia. wo. tie ew tries ose oe 0005 
Oxygen absorbed from permaganate ....... trace 
Nibrates)” 0 4s28 dete e een ee ees Bae oik traces 
} ig re oe ee ery & traces 
THE SIGNIFICANCE OF THE TERM SIERRAN. 
By Oscar H. Hersuey, Berkeley, Calif. 
Acting on a suggestion made by Dr. Joseph Le Conte 
in a foot-note to his paper entitled “The Ozarkian and Its 
Significance in Theoretical Geology,’** that the term Ozarkian 
was preoccupied and might properly be replaced by Sierran, 
a number of writers on Pacific Coast geology have adopted the 
*Journal of Geology vol, vii., No. 6, Sept.-Oct., 1800. 
